* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

body {
  background-color: #ffd54f;
}

.container {
  color: #333;
  text-align: center;
}

h1 {
  font-size: 2em;
  font-weight: normal;
}

h1 span {
  font-size: 2rem;
}

li {
  display: inline-block;
  font-size: 1.5em;
  list-style-type: none;
  padding: 1em;
  text-align: center;
  text-transform: uppercase;
}

li span {
  display: block;
  font-size: 4.5rem;
}